HIV Infection Current Events

HIV Infection Current Events, HIV Infection News Articles.
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Study compares tests to detect acute HIV infection
In a study appearing in the Feb. 16 issue of JAMA, Philip J. Peters, M.D., of the Centers for Disease Control and Prevention, Atlanta, and colleagues evaluated the performance of an HIV antigen/antibody (Ag/Ab) combination assay to detect acute HIV infection (early infection) compared with pooled HIV RNA testing, the reference standard. (2016-02-16)

Misconceptions about sexual violence common among South African youth
Misconceptions about sexual violence and the risk of HIV infection and AIDS are common among South African youth, finds a study in this week's BMJ. (2004-10-21)

Effects of bacterial pneumonia no worse for HIV-positive patients
Pneumonia doesn't appear to harm HIV-positive patients any more than those without HIV, according to a new international study conducted in part by the University of Alberta. (2005-09-26)

1 in 3 HIV positive gay men report unprotected sex
More than one in three HIV positive gay men say they have unprotected sex, reveals a community survey, published ahead of print in the journal Sexually Transmitted Infections. And almost one in five HIV negative men said that they do the same, the figures show. (2007-04-30)

Criminalising HIV transmission may lead to a rise in new HIV infections
Researchers in this week's BMJ warn of a one third increase in new sexually transmitted HIV infections in Scotland as a result of the Glenochil judgement, which made knowingly transmitting HIV a criminal offence in Scotland. (2001-11-15)

Preventing HIV infection in newborns
Although all pregnant women in Canada are supposed to be offered voluntary HIV testing to allow treatment and possible prevention of transmission to the baby, cases are still missed. (2002-04-01)

Mandatory reporting of HIV infection does not reduce testing rates
Mandatory reporting of HIV infection to public health authorities does not deter people from undergoing testing, Canadian researchers have concluded. (2003-03-17)

Transmission of HIV remains high among homosexual and bisexual men
The level of undiagnosed HIV-1 infection among homosexual and bisexual men did not fall between 1993 and 1998, indicating a high level of continuing transmission, finds a study in this week's BMJ. (2000-11-23)

New model may provide insights on neurocognitive disorders caused by HIV
HIV infects certain cells in the brain called microglia, and infected microglia release toxic and inflammatory molecules that can impair or kill surrounding neurons. (2017-11-08)

Researchers have discovered a gene that can block the spread of HIV
Researchers at the University of Alberta have discovered a gene that is able to block HIV, and thought to in turn prevent the onset of AIDS. (2008-02-28)

Many HIV patients are not diagnosed early enough
Many patients in the UK and Ireland are not having their HIV infection diagnosed until they are at a late stage of disease, finds a study published online by the BMJ today. (2005-05-12)

Stopping the HIV pandemic in children
Universal access to HIV testing and prevention of mother-to-child transmission programs are the most effective way of reducing the numbers of children infected with HIV, conclude authors of a seminar published in this week's edition of the Lancet. (2007-07-05)

Male circumcision protects against HIV infection
Uncircumcised men are at a much greater risk of becoming infected with HIV than circumcised men, according to new evidence in this week's BMJ. (2000-06-08)

New HIV co-factor found
While trying to understand how a natural HIV inhibitor works, scientists have discovered that a protein on immune cells promotes HIV infection. Ma and colleagues, reporting in the November 15 issue of The Journal of Experimental Medicine, say that this insight could lead to new approaches for inhibiting infection as HIV enters the body. (2004-11-15)

HIV alone not a risk factor for cavities in children
Recent studies indicate HIV infection heightens the risk of dental cavities - but a Rutgers researcher has found evidence that the risk of cavities comes not from HIV itself but from a weakened immune system, which could be caused by other diseases. (2020-07-15)

HIV identified as leading risk factor for stroke in young African adults
HIV infection is the leading risk factor for stroke in young African adults, a new study by the University of Liverpool's Institute of Infection and Global Health has found. (2015-12-18)

Hospitals overlook every other person with HIV
A new study reveals that many European hospitals fail to routinely test people who may be at risk of an HIV-infection. If tests were more widely used in healthcare, fewer HIV-patients would go unnoticed, especially in Northern Europe. (2015-11-20)

Analysis illuminates risk connection of herpes virus, HIV
Most people at greater risk of acquiring HIV don't know it. Most people who have HSV-2, the virus responsible for genital herpes, are unaware of the condition that dramatically increases their risk of acquiring HIV. Limiting diagnostic and therapeutic efforts to bacterial STDs - and excluding viral STDs - may not be enough to curb HIV acquisition. A metanalysis found higher risk in people with HSV-2 antibodies, and not necessarily the symptoms of genital herpes. (2001-12-21)

New HIV findings
Some HIV patients may be plagued by more than one type of HIV infection according to researchers at the McGill AIDS Centre, Sir Mortimer B. Davis - Jewish General Hospital and the McGill University Health Centre. They have shown that some patients may be susceptible to a second infection with another HIV virus including viruses resistant to drugs. (2004-08-26)

Protein identified that turns off HIV-fighting T cells
In HIV-infected patients, the body's immune system is unable to fight off the virus. A new study to be published online on Nov. 10 in the Journal of Experimental Medicine shows that T cells in HIV-infected individuals express a protein called TIM-3, which inactivates their virus killing capacity. Blocking this protein, the study suggests, might one day help patients to eliminate HIV as well as other chronic infections. (2008-11-10)

How HIV vaccine might have increased odds of infection
In September 2007, a phase II HIV-1 vaccine trial was abruptly halted when researchers found that the vaccine may have promoted, rather than prevented, HIV infection. A new study by a team of researchers at the Montpellier Institute of Molecular Genetics in France shows how the vaccine could have enhanced HIV infection. The study, lead by Matthieu Perreau, will be published online on Nov. 3 of the Journal of Experimental Medicine. (2008-11-03)

Embargoed news from Annals of Internal Medicine
Below is information about an article being published in the October 9 issue of Annals of Internal Medicine. The information is not intended to substitute for the full article as a source of information. Annals of Internal Medicine attribution is required for all coverage. (2012-10-08)

Number of HIV-1 founder variants determined by source partner infection
For people infected by HIV in the subset of cases involving several variants of the virus, and for which disease progression is usually faster, a new modeling study suggests the number of infection-initiating viral variants is primarily determined by how long the source partner has been infected. (2020-07-02)

Exhausted B cells fail to fight HIV
HIV tires out the cells that produce virus-fighting proteins known as antibodies, according to a human study that will be published online July 14 in the Journal of Experimental Medicine. (2008-07-14)

HIV domains take on new functions in mediating immunity
HIV evades the host immune system to cause infection. In a JCI study researchers examine the fusion peptide (FP) of HIV and show it plays two roles in HIV infection - it mediates fusion of the virus with the cell membrane, while also downregulating the T cell responses that normally block infection. The authors show that FP ameliorates the autoimmune disease adjuvant arthritis in rats. This study shows that FP, independent of HIV, may provide a novel way to decrease undesirable immune responses. (2005-07-07)

'POZ parties' signal potential to spread HIV 'superinfection'
The emergence of (2005-09-28)

MRI scans can help spot HIV in the brain
Scientists at UCL have developed a way to use MRI scans to help identify when HIV is persisting in the brain despite effective drug treatment. The study, published in Clinical Infectious Diseases and funded by Wellcome, shows that patients can have HIV in the brain even when the disease is kept under control by treatment. (2017-03-13)

Best tactical approach to handling patients with simultaneous parasitic and HIV infection
Cryptosporidiosis, a parasitic disease affecting the small intestine and possibly our airways, is a common cause of diarrhea in HIV-positive patients. Now Kazeem Oare Okosun from Vaal University of Technology in South Africa, together with colleagues from Pakistan and Nigeria, has developed a new model and numerical simulations to determine the optimal combination of prevention and treatment strategies for controlling both diseases in patients who have been co-infected. It is published in EPJ Plus. (2017-09-13)

Scientists discover new way that HIV evades the immune system
HIV uses our own cellular machinery to disable a signalling pathway (an assembly line of molecules) that produces anti-viral weaponry in the body. The scientists behind the discovery believe It should open the door to a new era of HIV research aiming to cure and eradicate this deadly virus. (2018-04-17)

MU scientists 'see' how HIV matures into an infection
After improving the sensitivity of nuclear magnetic resonance, researchers at the University of Missouri actually watched the HIV-1 protease mature from an inactive form into an active infection. This process has never been directly visualized before. The findings appear today in the journal Nature. (2008-10-01)

Rare HIV-positive individuals shed light on how body could effectively handle infection
Although untreated HIV infection eventually results in immunodeficiency (AIDS), a small group of people infected with the virus, called elite suppressors (0.5 percent of all HIV-infected individuals), are naturally able to control infection in the absence of antiretroviral therapy, or HAART. Elite suppressors and HIV- infected individuals treated with HAART have similar levels of virus in the blood stream. (2011-02-24)

Injection drug use the most important risk factor for HIV and HCV infections among Quebec prisoners
In this issue of CMAJ, 2 research groups report on the prevalence of HIV and hepatitis C virus infections in different inmate populations: people in provincial prisons in Quebec, and adult and young offenders admitted to remand facilities (jails, detention centers and youth centers) in Ontario. The Ontario study is highlighted below; the Quebec study appears in a separate release posted on EurekAlert! today. (2007-07-30)

HIV virus hides in the brain
Studies of the spinal fluid of patients given anti-HIV drugs have resulted in new findings suggesting that the brain can act as a hiding place for the HIV virus. Around 10 percent of patients showed traces of the virus in their spinal fluid but not in their blood -- a larger proportion than previously realized, reveals a thesis from the University of Gothenburg, Sweden. (2010-08-23)

Asia must tackle HIV in injecting drug users
Asian countries must adopt strategies to slow the spread of HIV among injecting drug users, urge researchers in this week's BMJ. (2004-09-23)

HIV helps explain rise of anal cancer in US males
The increase in anal cancer incidence in the U.S. between 1980 and 2005 was greatly influenced by HIV infections in males, but not females, according to a study published October 5 in the Journal of the National Cancer Institute. (2012-10-05)

Children with HIV-infection benefit from zinc supplements
Zinc supplements are a safe, simple, and cost-effective method of reducing illness in children infected with HIV, concludes a randomised trial in this week's issue of The Lancet. (2005-11-24)

The Lancet: Second case of apparent HIV 'cure' in a baby followed by reappearance of virus
Researchers today report the case of a baby, born HIV-positive, who appeared to have been cured of HIV after being given early antiretroviral treatment to combat the virus, but ultimately exhibited detectable HIV infection. (2014-10-02)

Three out of four junior doctors risk potential HIV infection during course of work
Three out of four junior doctors are at potentially high risk of HIV infection at some time during their careers, shows a survey in Sexually Transmitted Infections. Yet two thirds were unaware that they could be treated immediately afterwards to minimise the risk of infection. (2001-11-21)

Methadone promotes HIV infection in cell culture
Methadone, which is widely used in drug treatment centers to treat heroin addicts, stimulates HIV infection of human immune cells studied in cell cultures, according to immunology researchers at The Children's Hospital of Philadelphia. The researchers proposed that HIV-infected patients receiving methadone should have their blood and immune status closely monitored for possible adverse effects. (2001-05-15)

Blocking transmission of cell-associated HIV
Women are at risk of infection from HIV-positive male partners not only because they can become exposed to free viral particles, but also because infected cells, primarily macrophages and T cells, occur in the semen of infected men. The relative importance of cell-associated and cell-free virus for male-to-female transmission of AIDS has been controversial, and even the route by which cell-associated virus reaches new target cells is far from clear. (2002-01-16)

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